Keyboard backlight not turning on anymore

Keyboard backlight just stopped working after laptop battery died. It used to work perfectly including with the function key. However the laptop died and now I can’t get it to turn on at all. When doing a computer reset from a powered off state it turns on for a few seconds but that is all.

Everything is up to date, its a Samsung Galaxy Book Pro 360.

Why did this break, I didn’t change anything at all.